Physics, asked by tanmay151826, 11 months ago

two lenses are placed in contact with each other and the focal length of combination is 80cm. If the focal length of one is 20cm, then the power of other will be? A)1.66D. B)4.00D. C)-1.00D. D)-3.75D​

Answers

Answered by aleema8
0

Answer:

D) _3.75D

Explanation:

Optiona D..........

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